/* This is an example of how to cancel all the files queued up.  It's made somewhat generic.  Just pass your SWFUpload
object in to this method and it loops through cancelling the uploads. */
function cancelQueue(instance) {
    document.getElementById(instance.customSettings.cancelButtonId).disabled = true;
    instance.stopUpload();
    var stats;

    do {
        stats = instance.getStats();
        instance.cancelUpload();
    } while (stats.files_queued !== 0);

}

/* **********************
Event Handlers
These are my custom event handlers to make my
web application behave the way I went when SWFUpload
completes different tasks.  These aren't part of the SWFUpload
package.  They are part of my application.  Without these none
of the actions SWFUpload makes will show up in my application.
********************** */
function fileDialogStart() {
    /* I don't need to do anything here */
}
function fileQueued(file) {
    try {
        // You might include code here that prevents the form from being submitted while the upload is in
        // progress.  Then you'll want to put code in the Queue Complete handler to "unblock" the form
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Pendiente de subir ...");
        progress.toggleCancel(true, this);

    } catch (ex) {
        this.debug(ex);
    }

}

function fileQueueError(file, errorCode, message) {
    try {
        if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
            alert("Ya no pueden adjuntarse más ficheros.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
            return;
        }

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                progress.setStatus("El fichero es demasiado grande.");
                this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                progress.setStatus("No pueden adjuntarse ficheros de 0 bytes de tamano.");
                this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
                progress.setStatus("No se permite ficheros del tipo elejido");
                this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
                alert("Has seleccionado demasiados ficheros.  " + (message > 1 ? "You may only add " + message + " more files" : "You cannot add any more files."));
                break;
            default:
                if (file !== null) {
                    progress.setStatus("Error no manejado.");
                }
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
    try {
        if (this.getStats().files_queued > 0) {
            document.getElementById(this.customSettings.cancelButtonId).disabled = false;
            if (DeshabilitarBotonFormulario) DeshabilitarBotonFormulario();
        }

        /* I want auto start and I can do that here */
        this.startUpload();
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadStart(file) {
    try {
        /* I don't want to do any file validation or anything,  I'll just update the UI and return true to indicate that the upload should start */
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Subiendo fichero...");
        progress.toggleCancel(true, this);
    }
    catch (ex) {
    }

    return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {

    try {
        var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setProgress(percent);
        progress.setStatus("Subiendo...");
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadSuccess(file, serverData) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setComplete();
        progress.setStatus("Completado.");
        progress.toggleCancel(false);

    } catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
    try {
        /*  I want the next upload to continue automatically so I'll call startUpload here */
        if (this.getStats().files_queued === 0) {
            document.getElementById(this.customSettings.cancelButtonId).disabled = true;
            if (HabilitarBotonFormulario) HabilitarBotonFormulario();
        } else {
            this.startUpload();
        }
    } catch (ex) {
        this.debug(ex);
    }

}

function uploadError(file, errorCode, message) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
                progress.setStatus("Error al subir: " + message);
                this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
                progress.setStatus("Error de configuracion");
                this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
                progress.setStatus("No se ha podido adjuntar el fichero.");
                this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.IO_ERROR:
                progress.setStatus("Server (IO) Error");
                this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
                progress.setStatus("Security Error");
                this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                progress.setStatus("Upload limit exceeded.");
                this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SPECIFIED_FILE_ID_NOT_FOUND:
                progress.setStatus("Fichero no encontrado.");
                this.debug("Error Code: The file was not found, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
                progress.setStatus("Failed Validation.  Upload skipped.");
                this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                if (this.getStats().files_queued === 0) {
                    document.getElementById(this.customSettings.cancelButtonId).disabled = true;
                    if (HabilitarBotonFormulario) HabilitarBotonFormulario();
                }
                progress.setStatus("Cancelado");
                progress.setCancelled();
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                progress.setStatus("Parado");
                break;
            default:
                progress.setStatus("Unhandled Error: " + error_code);
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}